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Biomedical subjects

P Meire

Publications and source records attributed to P Meire.

15 recordsLinked to original sources
PubMed1999

[Long-term outcome following surgical repair of ruptures of the fibular collateral ligament of the ankle. A report of 50 cases].

The authors report their findings in a series of 49 patients with 50 acute ankle sprains, who underwent surgical repair of their ruptured fibular collateral ligaments. All patients were selected for surgical treatment based upon the findings on stress-films taken under anesthesia, showing a laxity at least superior by 10 degrees to the value found on the contralateral ankle. All patients were reviewed 2 to 12 years after operation. Clinical evaluation was based upon Duquennoy's criteria, and dynamic x-rays were performed in all patients to evaluate residual laxity. The clinical results were good or excellent in 78% of patients, fair in 14% and poor in 8%. Seven patients (14%) complained of subjective instability. Stress films showed residual laxity from 5 to 10 degrees in 10 patients (20%). The authors conclude that their findings do not support the alleged superiority of surgical repair over conservative management of severe ankle sprains.

Adolescent↗
PubMed1998

Pathological investigations on guillemots (Uria aalge) stranded on the Belgian coast during the winter of 1993-94.

Pathological investigations were carried out on 67 guillemots (Uria aalge) washed up on the Belgian coast between November 1993 and March 1994. Emaciation and acute haemorrhagic gastroenteropathy were observed in more than 70 per cent of the birds. There was no statistical relationship between the level of oil contamination and the severity of the lesions. Differences in bodyweight were accounted for by age, sex, emaciation, and acute haemorrhagic gastroenteropathy. The birds had a severe weight deficit but the concentrations of pollutants were below acutely toxic levels.

Animals↗
PubMed1997

[Complications and failures of total ankle prosthesis. Apropos of 21 cases].

PURPOSE OF THE STUDY: The authors relate a heterogeneous series of twenty one total ankle prosthesis performed by the same surgeon with an average follow up of 37 months. MATERIAL AND METHODS: Four types of prosthesis were implanted: 4 Ramses, 8 New Jersey, 5 Star, 4 Freeman. The etiology was seven times a rheumatoid polyarthritis, ten times post-traumatic, two idiopathic arthrosis, an hemochromatosis and a late clubfoot sequelae. RESULTS: Results were appreciated according to Bousquet's criteria: 4 excellent results, 5 good, 3 fair, 9 bad. The ankle mobility was not improved by arthroplasty. We noticed 7 loosening whose 2 septic occurring between 18 and 38 months after implantation of prosthesis. DISCUSSION: This series indicates that prosthesis should be only suggested for patients over sixty years old. No difference was found between post-traumatic and rhumatoîd. The pre-operative subtalar arthrosis promoted in significant way an unexpected failure occurrence. CONCLUSION: Indications for total ankle arthroplasty must remain selected. Arthrodesis remains in the immediate future, the best solution for young patients with post-traumatic arthrosis.

Adult↗
PubMed1996

Effects of polyhalogenated aromatic hydrocarbons and related contaminants on common tern reproduction: integration of biological, biochemical, and chemical data.

In eight Dutch or Belgian common tern (Sterna hirundo) colonies, breeding biology and food choice were determined, and 15 second eggs were collected from three-egg clutches for artificial incubation, biochemical analysis and analysis of yolk-sac polyhalogenated hydrocarbon (PHAH) levels. Results from these analyses were combined with biological data from the eggs remaining in each clutch. In some breeding colonies severe flooding, rainy and cold weather, and extreme predation caused extensive losses of eggs and chicks. A relationship was found between yolksac mono-ortho polychlorinated biphenyl (mo-PCB) levels and main food species (fish or insects) of the adult terns before egg-laying. Colony average breeding data differed only slightly, and were difficult to relate to PHAH-levels. When the colonies were grouped after yolksac PHAH-patterns and main food species, significant differences in average egg laying date, incubation period, egg volume and chick weight could be related to differences in yolksac PHAH and retinoid levels, and hepatic ethoxyresorufin-O-deethylase (EROD) activity. The data from all colonies also were combined into one data-set and correlated with the biochemical parameters and PHAH levels. In summary higher yolksac PHAH levels or hepatic EROD-activity correlated with and later egg laying, prolonged incubation period and smaller eggs and chicks. Lower yolksac retinoid- and plasma thyroid hormone levels, and a higher ratio of plasma retinol over yolksac retinoids correlated with later egg laying, prolonged incubation periods and smaller chicks and eggs. The dynamic environment of the terns had more obvious detrimental effects on breeding success than PHAHs. However, the more subtle effects observed for PHAHs could still be of importance during specific stress circumstances. To monitor site-specific reproduction effects, tree-nesting birds feeding on relatively big and non-migrating fishes would be most suitable. The use of specific biomarkers for exposure and effect is recommended to establish a causal relationship between a certain class of pollutants and an adverse biological effect.

Animals↗
PubMed1996

["Chevron" basal osteotomy of the middle metatarsal bones for static metatarsalgia. Apropos of 69 cases].

PURPOSE OF THE STUDY: Round or flat forefoot metatarsalgia are frequent and surgical techniques are various. The authors relate a series with chevron basi-metatarsal osteotomy. MATERIAL: 69 operated metatarsalgia were reviewed at a mean follow up of 5 years. METHODS: The surgical approach was dorsal, aligned on metatarsal diaphysis. The basi metatarsal "chevron shape" osteotomy was performed using an oscillatory saw, on 1, 2 or 3 metatarsi inducing lowering and shortening. This osteotomy wasn't fixed. Weight bearing was allowed at the third post-operative day. RESULTS: In 68 per cent of cases, the global result was good or very good, but it persisted 32 per cent of post-operative pain either climatic or continuous, including 29 per cent metatarsalgia. The plantar corns only disappeared one out of twice, but the shoe wearing was improved in 82.6 per cent of cases. DISCUSSION: This study showed that the results improved when 3 median metatarsal osteotomy were performed simultaneously. The forefoot morphology didn't influenced the final result. In fact, this technique includes a good result one out of twice in hollow feet. It seems that three metatarsal osteotomies induce a metatarsal elevation and shortening, once out of twice. CONCLUSION: The advantage of this technique are : a dorsal medio plantar surgical approach, an osteotomy realized in cancellous bone and no need for fixation allowing a more accurate adjustment of the metatarsal height.

Adult↗
PubMed1996

[Treatment of hallux valgus by varus osteotomy of the first phalanx associated with adductor plasty].

PURPOSE OF THE STUDY: Sixty two hallux valgus treated by first phalanx varus osteotomy associated to adductor hallux plasty were reviewed with a minimum follow-up of 4 years. MATERIAL AND METHODS: 48 females and 2 males were operated. Average age was 46 years. The forefoot was grecian 40 times. The pre-operative metatarsus varus was at an average of 14.2 degrees when the metatarso-phalangeal valgus was 33.3 degrees. The interphalangeal valgus was 8.25 degrees. The first phalanx base lateral translation measured an average of 5.8 mm. Sesamoids were always dislocated. 36 patients were treated in the same operative time, using this associated approach at different level. RESULTS: Results were evaluated according to 3 Groulier's criteria. In 10 cases, a post-operative pain persisted. Shoe wearing continually improved. The great toe valgus was corrected in 31 cases (50 per cent). The correction was partial in 20 cases (32.3 per cent) but on radiographs, only 34 cases (54.8 per cent) conserved a normal joint space. The first phalanx base lateral translation only improved partially. It measured an average of 408 mm. The global result was good in and very good, 67 per cent, while patients subjective estimation was good or very good in 90.3 per cent. DISCUSSION: The study of this series of first phalanx varus osteotomy associated to adductor plasty shows lateral subluxation partial correction, factor of long term modification on articular metatarso-phalangeal joint space. The adductor plasty associated to abductor disinsertion showed a results improvement compared with other published series. CONCLUSION: The first phalanx varus osteotomy associated to adductor plasty should be limited to moderate hallux valgus deformity with interphalangeal valgus and without any major articular incongruity.

Adult↗
PubMed1995

[Treatment of Morton neuroma by neurectomy. Apropos of 43 cases].

PURPOSE OF THE STUDY: Morton's neuroma is a frequent cause of metatarsalgia. Its diagnosis is clinical but progress in medical imaging: ultrasound, evoked potentials and above all MRI allows an improvement of para-clinical diagnosis. MATERIAL AND METHODS: 48 neuromas were treated surgically between 1979 and 1990. That represents 46 feet in 43 patients. Female predominance was clear with an average age of 53 years. The follow-up period was 6 years and 10 months. 3 patients had multiple injuries. Medical treatment had been prescribed prior to surgery in 24 patients (15 had injections, 9 orthopedic shoe inserts and 5 both injections and inserts). The interval between the first symptoms and surgery was long since it was on average of 3 years and 6 months. The neuroma was located 36 times in the third interdigital space. The initial incision was plantar 11 times dorsal 32 times. Only neurectomies were performed. The neuroma was very large 9 times. 10 patients had treatment for other affections in the same operative time. RESULTS: At review, 41 feet were completely painless. Shoe wear was normal for 32 patients. 12 pulpar hypoesthesia and 7 commissural and pulpary hypoesthesia were noted. 3 of 11 patients operated by the plantar approach had a painful hyperkeratosic scar. DISCUSSION: None of our cases had preoperative MRI because our most recent case has 4 years of evaluation. At the present time the MRI could contribute to diagnosis owing to good tissular differentiation. The neurectomy led to a total disappearance of pain but hypoesthesia was frequent. The dorsal approach induces cutaneous complication. Neurolysis induces a sensitive postoperative deficit but recurrence occurs in 77 per cent of cases after neurolysis. CONCLUSION: Morton's neuroma is located essentially in the third interdigital space. Neurectomy is a simple operation that often leads to recovery.

Adult↗
PubMed1990

Fast-growing, aerobic, heterotrophic bacteria from the rhizosphere of young sugar beet plants.

Fast-growing, aerobic, heterotrophic bacteria from the root surface of young sugar beet plants were inventoried. Isolation of the most abundant bacteria from the root surface of each of 1,100 plants between the second and tenth leaf stage yielded 5,600 isolates. These plants originated from different fields in Belgium and Spain. All isolates were characterized by sodium dodecyl sulfate-polyacrylamide gel electrophoresis of total cellular proteins. Comparison of protein fingerprints allowed us to inventory the bacteria of individual plants of different fields or leaf stages and to analyze the composition and variability of the rhizobacterial population of young sugar beet plants. Each field harbored a specific population of bacteria which showed a highly hierarchic structure. A small number of bacteria occurring frequently at high densities dominated in each field. The major bacteria were identified as Pseudomonas fluorescens, Xanthomonas maltophilia, Pseudomonas paucimobilis, and Phyllobacterium sp. The former three species showed a high genetic variability as they were represented by different protein fingerprint types on the same or different fields or leaf stages. Twinspan analysis and relative abundance plots showed that the structure and composition of the bacterial populations varied strongly over time. Pseudomonads were typically early colonizers which were later replaced by X. maltophilia or Phyllobacterium sp.

Journal Article↗
PubMedDate not supplied

[Which abstinence in alcohol problems?].

Examining the place of abstinence in alcoholism, the authors review the different tendencies in recent literature (total abstinence, controlled drinking, responsible drinking). According to the type and severeness of these problems, different approaches are presented in the frame- work of family therapy. Through the development of a clinical case, the authors illustrate the interest of prescribing compulsory abstinence within the context of voluntary hospitalization, family and individual psychotherapy.

Adult↗
PubMedDate not supplied

[Therapy for couples in their sixties].

There is small interests in marital therapy for 60 years and more, for which a, at least, partially specific approach seems us necessary. After reviewing the weak literature regarding this topic the authors present six marital therapy in this age group. They propose in their conclusions a five points model of care: brief taking in charge or "coevolution", psychiatric approach, "problem solving", specific crisis of this ages, speaking about sexual life.

Aged↗
PubMedDate not supplied

[Alice's nightmare. Analysis of a severe case of hysteria].

This report illustrates the difficult differential diagnosis between severe hysteria and psychosis in a young adult in crisis, and the need to elucidate the existing structure underlying the therapeutic approach. Alice's history will be the subject to a theoretic-clinic discussion. It allows to bring out important concepts to support an hypothesis of a neurotic decompensation.

Adult↗
PubMedDate not supplied

[The controversy of depression in black Africa: a study of cultural causes].

Epidemiological data about depression in Africa are contradictory. Until the fifties, an almost absence of depression was reported in the studied population and from the fifties till today, a prevalence comparable to these of others continents is found. The authors discussed methodological and technical grounds susceptible to explain this controversy, with a special focus on cultural factors according to the parental and way of thinking of the Kongos in Zaïre.

Adult↗